Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 13:59

General

  • Target

    7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034.exe

  • Size

    283KB

  • MD5

    a112a43523f7b5981e9585cf3c2019b5

  • SHA1

    3992f859f60ac4edabec22a0267e4c3642e5bb6c

  • SHA256

    7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034

  • SHA512

    e092a939feb9ae8af42b64147ad68ca5078119b18443acf3d7eae016e669430d588ad939ae8d3733a2ef356bec4d64a5754391aefbfd6a03520fc7c5da8a1d4b

  • SSDEEP

    6144:04ABF94npAuO/50BTnZZsPhhFBHNijYp2+HYNMi7/nJjT:LUtGLZWPDt4YE+H+T7JT

Malware Config

Extracted

Family

cybergate

Version

v1.05.12

Botnet

Toledano

C2

microsafe.redirectme.net:1025

spamfighter.serveblog.net:1025

Mutex

AYRFB63B4RCE3Q

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    Derive

  • install_file

    Derive 5.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    AVFuck3

  • regkey_hkcu

    Derive5

  • regkey_hklm

    Derive5

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034.exe
    "C:\Users\Admin\AppData\Local\Temp\7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:3880
      • C:\Users\Admin\AppData\Local\Temp\7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034.exe
        "C:\Users\Admin\AppData\Local\Temp\7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034.exe"
        2⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:3832
        • C:\Windows\SysWOW64\Derive\Derive 5.exe
          "C:\Windows\system32\Derive\Derive 5.exe"
          3⤵
          • Executes dropped EXE
          PID:3220
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3220 -s 576
            4⤵
            • Program crash
            PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3220 -ip 3220
      1⤵
        PID:4580

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

        Filesize

        222KB

        MD5

        d298e950c55a495291002b647564dae6

        SHA1

        a584ef197b89b8789a858f5b2ce5ab10f4373a06

        SHA256

        602b3eab58a7921cdcdd331e0f9a2f3fa7f6fc6315cda3d1f4ca06a0506cb6ef

        SHA512

        6760616e7d09c7c695088a0b1b2676d13b3ca11d3c50d74f4651fc89713ec525c2cc8019c042e284c881ae707b6801954312302801e577e370aa6a2e8ddb3334

      • C:\Windows\SysWOW64\Derive\Derive 5.exe

        Filesize

        283KB

        MD5

        a112a43523f7b5981e9585cf3c2019b5

        SHA1

        3992f859f60ac4edabec22a0267e4c3642e5bb6c

        SHA256

        7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034

        SHA512

        e092a939feb9ae8af42b64147ad68ca5078119b18443acf3d7eae016e669430d588ad939ae8d3733a2ef356bec4d64a5754391aefbfd6a03520fc7c5da8a1d4b

      • C:\Windows\SysWOW64\Derive\Derive 5.exe

        Filesize

        283KB

        MD5

        a112a43523f7b5981e9585cf3c2019b5

        SHA1

        3992f859f60ac4edabec22a0267e4c3642e5bb6c

        SHA256

        7cee20404dcd952f8c36eba29f9efe59b5a0436535738490cd99d06f29100034

        SHA512

        e092a939feb9ae8af42b64147ad68ca5078119b18443acf3d7eae016e669430d588ad939ae8d3733a2ef356bec4d64a5754391aefbfd6a03520fc7c5da8a1d4b

      • memory/1724-133-0x0000000010410000-0x0000000010471000-memory.dmp

        Filesize

        388KB

      • memory/1724-138-0x0000000010480000-0x00000000104E1000-memory.dmp

        Filesize

        388KB

      • memory/3832-141-0x0000000010480000-0x00000000104E1000-memory.dmp

        Filesize

        388KB

      • memory/3832-144-0x0000000010480000-0x00000000104E1000-memory.dmp

        Filesize

        388KB

      • memory/3832-147-0x0000000010480000-0x00000000104E1000-memory.dmp

        Filesize

        388KB